| Foremost Farms Usa, Cooperative | Manufacturing | $10,000,000 | $10,113,889 | 500 | $176.5M |  Research |
| Msa Professional Services INC | Professional, Scientific, and Technical Services | $6,303,500 | $6,382,251 | 367 | $38.0M | Research |
| Equity Cooperative Livestock Sales Association | Wholesale Trade | $1,525,000 | $1,539,276 | 274 | $70.5M | Research |
| Equity Cooperative Livestock Sales Association | Wholesale Trade | $1,506,322 | $1,512,724 | 255 | $65.6M | Research |
| Mbe Cpa's, LLP | Professional, Scientific, and Technical Services | $942,142 | $1,044,551 | 84 | $26.7M | Research |
| International Crane Foundaton | Other Services (except Public Administration) | $618,280 | $622,505 | 61 | $11.7M | Research |
| International Crane Foundation | Other Services (except Public Administration) | $618,280 | $59,596 | 59 | $11.3M | Research |
| Cell Plus Ii, Inc. | Retail Trade | $597,597 | $601,559 | 71 | $21.7M | Research |
| Larson Automotive, LLC | Retail Trade | $567,037 | $570,802 | 51 | $12.9M | Research |
| Bwp Express, Inc. | Retail Trade | $470,800 | $474,880 | 75 | $18.7M | Research |
| Dental Associates of Baraboo S | Health Care and Social Assistance | $449,698 | $452,174 | 46 | $10.7M | Research |
| Dental Associates of Baraboo S.c. | Health Care and Social Assistance | $449,698 | $452,236 | 48 | $11.1M | Research |
| Seasons Counseling LLC | Health Care and Social Assistance | $444,088 | $447,777 | 43 | $10.1M | Research |
| Seasons Counseling, LLC | Health Care and Social Assistance | $444,000 | $447,256 | 34 | $8.0M | Research |
| Oak Park Place of Baraboo, LLC | Health Care and Social Assistance | $415,415 | $420,104 | 53 | $9.0M | Research |
| Wyss Log Cabin Enterprises Inc. | Accommodation and Food Services | $380,642 | $382,822 | 55 | $9.8M | Research |
| Hill's Wiring, Inc. | Construction | $369,715 | $372,323 | 26 | $8.6M | Research |
| Hill's Wiring INC | Construction | $369,715 | $372,055 | 26 | $8.6M | Research |
| Del-Tool Co. Inc. | Manufacturing | $353,880 | $354,636 | 24 | $6.3M | Research |
| Baraboo Motors Group, Inc. | Retail Trade | $350,787 | $353,525 | 33 | $8.3M | Research |
| Del-Tool Co., Inc. | Manufacturing | $348,829 | $350,787 | 23 | $6.0M | Research |
| Ct Laboratories LLC | Professional, Scientific, and Technical Services | $337,174 | $339,712 | 28 | $5.6M | Research |
| Allen Steele Co., Inc. | Construction | $328,090 | $329,897 | 32 | $12.0M | Research |
| St. Joseph Congregation | Other Services (except Public Administration) | $321,927 | $323,724 | 48 | N/A | Research |
| Hoffman's Ishnala Inc. | Accommodation and Food Services | $321,247 | $322,487 | 107 | $19.0M | Research |